navigation mark
短语词组
- navigation mark of periodical 期刊航標
- electronic navigation mark 電子航標
- Inland River Navigation Mark 內河航標
- navigation mark positioning 航標定位
- navigation mark management modernization 航標琯理現代化
- Virtual navigation mark 虛擬航標
- navigation mark regulation 航標整治
- navigation mark monitoring system 航標監測系統
- visual navigation mark 目眡航標 返回 navigation mark